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Mailing Address 900 EAST GREEN STREET BENSENVILLE IL 60106
Business Address 900 EAST GREEN STREET BENSENVILLE IL 60106 (847) 295-7000
Rubicon Technology, Inc. CIK#: 0001410172 (see all company filings)

SIC: 3674 - SEMICONDUCTORS & RELATED DEVICES
State location: IL | State of Inc.: DE | Fiscal Year End: 1231
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Items 1 - 40  0001410172 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
15-15D  Documents Suspension of duty to report [Section 13 and 15(d)]
Acc-no: 0001213900-23-024749 (34 Act)  Size: 12 KB
2023-03-30 333-192536
23781802
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001213900-23-024745 (34 Act)  Size: 5 MB
2023-03-30 001-33834
23781778
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-000627 (33 Act)  Size: 2 KB
2023-03-22 333-192536
23754328
POS AM  Documents Post-Effective amendments for registration statement
Acc-no: 0001213900-23-021451 (33 Act)  Size: 24 KB
2023-03-20 333-192536
23747022
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-23-000573 (33 Act)  Size: 1 KB
2023-03-14 333-167272
23733171
POS AM  Documents Post-Effective amendments for registration statement
Acc-no: 0001213900-23-019250 (33 Act)  Size: 29 KB
2023-03-10 333-167272
23724599
S-8 POS  Documents Securities to be offered to employees in employee benefit plans, post-effective amendments
Acc-no: 0001213900-23-019244 (33 Act)  Size: 24 KB
2023-03-10 333-213025
23724559
S-8 POS  Documents Securities to be offered to employees in employee benefit plans, post-effective amendments
Acc-no: 0001213900-23-019243 (33 Act)  Size: 24 KB
2023-03-10 333-180211
23724543
S-8 POS  Documents Securities to be offered to employees in employee benefit plans, post-effective amendments
Acc-no: 0001213900-23-019238 (33 Act)  Size: 24 KB
2023-03-10 333-147552
23724514
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001213900-23-017286 (34 Act)  Size: 186 KB
2023-03-03 001-33834
23705385
8-K  Documents   Interactive Data Current report, items 5.02, 5.03, and 9.01
Acc-no: 0001213900-23-014423 (34 Act)  Size: 405 KB
2023-02-24 001-33834
23668716
25  Documents Notification of the removal from listing and registration of matured, redeemed or retired securities
Acc-no: 0001213900-22-082632 (34 Act)  Size: 15 KB
2022-12-23 001-33834
221485884
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001213900-22-082543 (34 Act)  Size: 249 KB
2022-12-23 001-33834
221484786
8-K  Documents   Interactive Data Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001213900-22-079524 (34 Act)  Size: 258 KB
2022-12-13 001-33834
221460066
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001213900-22-079289 (34 Act)  Size: 241 KB
2022-12-13 001-33834
221458562
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001213900-22-074264 (34 Act)  Size: 223 KB
2022-11-21 001-33834
221406486
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001213900-22-071177 (34 Act)  Size: 4 MB
2022-11-10 001-33834
221377282
8-K  Documents   Interactive Data Current report, item 3.01
Acc-no: 0001213900-22-065237 (34 Act)  Size: 251 KB
2022-10-20 001-33834
221321265
8-K/A  Documents   Interactive Data [Amend] Current report, item 2.01
Acc-no: 0001213900-22-057430 (34 Act)  Size: 244 KB
2022-09-20 001-33834
221253992
8-K  Documents   Interactive Data Current report, item 2.01
Acc-no: 0001213900-22-056938 (34 Act)  Size: 241 KB
2022-09-19 001-33834
221250636
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001376474-22-000384 (34 Act)  Size: 29 KB
2022-08-24 005-83694
221190592
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001140361-22-030682 (34 Act)  Size: 109 KB
2022-08-24 005-83694
221189369
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0000921895-22-002518 (34 Act)  Size: 124 KB
2022-08-23 005-83694
221187724
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0000921895-22-002510 (34 Act)  Size: 126 KB
2022-08-22 005-83694
221184060
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001213900-22-050046 (34 Act)  Size: 253 KB
2022-08-22 001-33834
221183759
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001213900-22-049680 (34 Act)  Size: 17 MB
2022-08-19 001-33834
221180761
SC TO-T/A  Documents [Amend] Tender offer statement by Third Party
Acc-no: 0001140361-22-030235 (34 Act)  Size: 20 KB
2022-08-18 005-83694
221176687
SC TO-T/A  Documents [Amend] Tender offer statement by Third Party
Acc-no: 0001140361-22-029642 (34 Act)  Size: 22 KB
2022-08-15 005-83694
221166141
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001213900-22-047069 (34 Act)  Size: 255 KB
2022-08-12 001-33834
221157877
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001213900-22-046991 (34 Act)  Size: 3 MB
2022-08-12 001-33834
221157305
SC 14D9  Documents Solicitation, recommendation statements
Acc-no: 0001213900-22-041393 (34 Act)  Size: 309 KB
2022-07-26 005-83694
221104448
SC TO-T  Documents Tender offer statement by Third Party
Acc-no: 0001140361-22-025935 (34 Act)  Size: 979 KB
2022-07-13 005-83694
221081439
SC TO-C  Documents Written communication relating to an issuer or third party
Acc-no: 0001140361-22-025925 (34 Act)  Size: 148 KB
2022-07-13 005-83694
221081277
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001376474-22-000309 (34 Act)  Size: 38 KB
2022-07-12 005-83694
221079194
PX14A6G  Documents Notice of exempt solicitation submitted by non-management
Acc-no: 0001104659-22-078934 (34 Act)  Size: 11 KB
2022-07-12 001-33834
221078041
8-A12B/A  Documents [Amend] Registration of securities [Section 12(b)]
Acc-no: 0001213900-22-038573 (34 Act)  Size: 20 KB
2022-07-11 001-33834
221077333
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0000921895-22-002197 (34 Act)  Size: 132 KB
2022-07-08 005-83694
221074509
SC 13D/A  Documents [Amend] General statement of acquisition of beneficial ownership
Acc-no: 0001140361-22-025106 (34 Act)  Size: 112 KB
2022-07-06 005-83694
221067266
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001213900-22-037065 (34 Act)  Size: 747 KB
2022-07-05 001-33834
221063771
8-K  Documents   Interactive Data Current report, items 1.01, 7.01, and 9.01
Acc-no: 0001213900-22-037059 (34 Act)  Size: 1 MB
2022-07-05 001-33834
221063760